endurcir

== French == === Etymology === From en- +‎ dur +‎ -ir, based on Latin indūrēscere, dūrēscere. === Pronunciation === IPA(key): /ɑ̃.dyʁ.siʁ/ === Verb === endurcir (transitive) to harden (make harder) (transitive) to harden, inure Synonym: aguerrir ==== Conjugation ==== This is a regular verb of the second conjugation, like finir, choisir, and most other verbs with infinitives ending in -ir. One salient feature of this conjugation is the repeated appearance of the infix -iss-. ==== Derived terms ==== endurci ==== Related terms ==== durcir === Further reading === “endurcir”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012